Neptune™ Chemical Pump designed its 500-D Series Hydraulic Diaphragm Metering Pumps for use in injection applications. The duplex feature Eze-Clean™ valve cartridges that can be removed from the pump heads without having to disturb the pump's piping. The company's Variable Oil By-pass ™ stroke adjustment provides better valve performance than variable-linkage designs. The 500-D pump head materials of construction are 316 stainless steel, C-20, PVC, and Kynar. Material options for the ball check valves are 316 stainless body and seat with 316 balls, PVC body and seat with ceramic balls, C-20 body and seat with C20 balls, and Kynar body and seat with ceramic balls. Neptune™ Chemical Pumpwww.neptune1.com
